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STC5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC5

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KS STC5

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This page is mainly introduced the STC5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STC5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STC5
Type:Special Alloy
Country:Korea
Standard:KS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STC5	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	428～729	σb/MPa
Yield Strength	541	σ 0.2 ≥/MPa
Elongation	51	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	879～783	-
HRC	30	-

Physical Properties

Thermal expansion	46-31	e-6/K
Thermal conductivity	78-22	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1852-8344	째C
Density	9466-8048	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
STC5 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk